Drumla or even Brumle, Jew's harp, Maultrommel, Khomus are names for a small musical instrument that sounds after the excitement of a string part and the mouth using the lips and tongue serves as a resonator. Drumla belongs to a group of self-sounding musical instruments of idiophones.

In Europe, the drumla appeared more than 5000 years ago. In Asia, they known the drumla much earlier. These instruments are made ??of bamboo, wood, metal and bone. When playing, the komus is attached to the teeth, and the mouth serves as a resonator. Changing the articulation causes a change in tones that this instrument is issued. On drumla, anyone can play and enjoy the magic of creation of sound and vibrations that are transmitted to the player. It's a very positive experience!